[meteorite-list] Re:Fireball Flash?

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From: GeoZay_at_aol.com <GeoZay_at_meteoritecentral.com>
Date: Thu Apr 22 10:13:08 2004
Message-ID: <1d0.7fd565d.2bd897dc_at_aol.com>

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In a message dated 4/23/03 5:31:19 PM Pacific Daylight Time, kelly_at_bhil.com
writes:

> >>One of the things that interested me about the witness
> statements to Park Forest was a woman who described seeing the
> flash from her car and added that there was a "huge thunderclap
> about two minutes afterward."
> That's 120 seconds times 1100 feet per second, or a distance
> of about 25-26 miles. Unfortunately the article did not state if
> the flash was overhead for that observer (25 miles straight up)
> or at, say, 45 degrees elevation (would be 17 miles up).<<

Yes, that's about right....still got some very dense atmosphere to travel
thru before reaching the ground, had it not terminal burst first. Unless very
big (well over 10 tons), it wouldn't be traveling fast enough to be glowing
all the way to the ground and cause a visible(luminating) explosion.
George Zay

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<HTML>In a message dated 4/23/03 5:31:19 PM Pacific Daylight=
Time, kelly_at_bhil.com writes: 
 
 
<BLOCKQUOTE TYPE=3DCITE style=3D"BORDER-LEFT: #0000ff 2px solid; MARGIN-LEFT=
: 5px; MARGIN-RIGHT: 0px; PADDING-LEFT: 5px">>>One of the things that=20=
interested me about the witness 
statements to Park Forest was a woman who described seeing the 
flash from her car and added that there was a "huge thunderclap 
about two minutes afterward." 
    That's 120 seconds times 1100 feet per second, or a dista=
nce 
of about 25-26 miles. Unfortunately the article did not state if 
the flash was overhead for that observer (25 miles straight up) 
or at, say, 45 degrees elevation (would be 17 miles up).<<<FONT=
COLOR=3D"#000000" style=3D"BACKGROUND-COLOR: #ffffff" SIZE=3D2 FAMILY=3D"S=
ANSSERIF" FACE=3D"Arial" LANG=3D"0"></BLOCKQUOTE> 
 
Yes, that's about right....s=
till got some very dense atmosphere to travel thru before reaching the groun=
d, had it not terminal burst first. Unless very big (well over 10 tons), it=20=
wouldn't be traveling fast enough to be glowing all the way to the ground an=
d cause a visible(luminating) explosion. 
George Zay 
 
 
 
</HTML>
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Received on Wed 23 Apr 2003 09:29:00 PM PDT

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